diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index 3390814de0a5..cc1bbf70477b 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -2215,9 +2215,6 @@ EXPORT_PER_CPU_SYMBOL(__stack_chk_guard);
 
 #endif	/* CONFIG_X86_64 */
 
-/*
- * Clear all 6 debug registers:
- */
 static void initialize_debug_regs(void)
 {
 	/* Control register first -- to make sure everything is disabled. */